This work consists of 227 pages. The subjects treated are cancer, tuberculosis, tetanus, sleeping-sickness, enteritis and variola; the original article by Jenner on vaccination is added as an appendix. The subjects are treated in a semipopular way, and yet the method is a little too technical, at least for the general American reading public. It will appeal to medical men who wish to be instructed and entertained and to the better informed people who have had some technical training. The literature is freely drawn on.
In discussing cancer the author lays especial stress on the possible contagiousness of the disease, and quotes freely from experiences of himself and others to show that there is a relation between such etiologic factors as soil moisture, dirty vegetables and contact with affected individuals in cancer. In considering tuberculosis he gives a good deal of space to experiences tending to confirm the importance of